248
CDGM40 PGUM 261639
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
239 AM CHST THU AUG 27 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 26 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 5:08 PM 92 1987 87 -2 88
MINIMUM 74 7:47 AM 71 1986 76 -2 76
AVERAGE 80 82 -2 82
PRECIPITATION (IN)
YESTERDAY 0.95 2.94 2019 0.56 0.39 0.64
MONTH TO DATE 10.51 14.80 -4.29 12.06
SINCE JUN 1 36.85 33.56 3.29 38.55
SINCE JAN 1 88.58 53.77 34.81 54.28
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 17 -2 17
MONTH TO DATE 455 442 13 444
SINCE JUN 1 1522 1536 -14 1478
SINCE JAN 1 3914 4048 -134 4042
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 AM
LOWEST 80 4:00 PM
AVERAGE 89
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1966
1971
MINIMUM TEMPERATURE (F) 76 72 1951
1984
2004
SUNRISE AND SUNSET
AUGUST 27 2026........SUNRISE 6:09 AM CHST SUNSET 6:36 PM CHST
AUGUST 28 2026........SUNRISE 6:09 AM CHST SUNSET 6:35 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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